Help lol! a humpback whale was 8,640 meters north of Billet Bay, swimming south at a constant velocity. If it swam one-third of the distance to the bay in 12 minutes, what was the whale's
velocity?

a 2,000 calorie based diet.

speed of light in vacuum is 300,000 km/s

speed of light in other mediums is given by the expression v = c/n, where c is the speed of light in vacuum and n is the refractive index of medium.

for the first medium v = 200,000 km/s

  so, refractive index of medium = 300000/200000 = 1.5

    1.5 refractive index is usually for glass. so first medium is glass.

for the second medium v = 250,00 km/s

so, refractive index of medium = 300000/250000 = 1.2

    1.2 refractive index is usually for water. so second medium is water.

for the third medium v = 0 km/s

so, refractive index of medium = 300000/0 = ∞

    ∞ refractive index is usually for opaque mediums. so third medium is opaque medium.

distance = 150m

displ = root (50 ^2 + 100^2)

root(2500+10000)

root 125000